Rexroth A11VO Series Pump | A11VO190, A11VO130 | 350 Bar High Pressure Piston Pump

Rexroth A11VO Series High-Pressure Variable Axial Piston Pump

Product Overview: The Rexroth A11VO series is a flagship variable displacement pump engineered for high-power, high-pressure tasks in open-circuit hydraulic systems. As part of the proven Series 10 design, it features core large-displacement sizes including 130cc (A11VO130) and 190cc (A11VO190). Designed for heavy-duty construction machinery demanding extreme power density and long-term reliability, the A11VO operates at a rated pressure of 350 Bar. Models like the A11VO130DRS integrate pressure control and Load Sensing (LS), serving as the heartbeat of rotary drilling rigs, crane winches, and metal extrusion presses.

Key Technical Advantages:

• Ultra-High Pressure Reliability: Rated for an operating pressure of 350 Bar (35 MPa) with peak cycles reaching 400 Bar. The reinforced rotating group ensures exceptional service life under the most grueling operational conditions.

• Sophisticated Control Modalities (DRS / LRDH):

  • DRS Load Sensing: Accurately senses actuator load demands, delivering only the required flow and pressure to minimize thermal loss and energy waste.

  • LRDH Constant Power & Hydraulic Control: Automatically modulates displacement to match the drive source’s power curve, with support for hydraulic remote override or adjustment.

• Superior Suction & High-Speed Performance: Optimized inlet flow paths enhance self-priming characteristics and support higher rated speeds, effectively preventing cavitation under heavy loads.

• Rugged Swashplate Architecture: The compact swashplate design offers a superior power-to-weight ratio, facilitating easier layout within cramped mobile machinery chassis.

• Through-Drive Capability (NSD): Features robust through-drive torque capacity, enabling tandem mounting of secondary pumps for integrated multi-circuit power requirements.

Detailed Models & Parameters:

• Core Series: Rexroth A11VO Series (Design 10).

• Representative Models: A11VO190LRDH5, A11VO130DRS/10L-NSD12N00.

• Displacements: 130 cm³/rev, 190 cm³/rev.

• Pressure Ratings: Rated at 350 Bar (5100 PSI); Peak cycles up to 400 Bar (5800 PSI).

• Rotation: L (Counter-clockwise); R (Clockwise).